Update heimdall instructions for i9100

Change-Id: Ia3721b482364e2f15ca5dfe42316576ff1c59f0f
diff --git a/_devices/samsunggalaxys2i9100.markdown b/_devices/samsunggalaxys2i9100.markdown
index 193f56f..f31f36a 100644
--- a/_devices/samsunggalaxys2i9100.markdown
+++ b/_devices/samsunggalaxys2i9100.markdown
@@ -25,20 +25,24 @@
 <div class='page-heading'>Flash via HeimdallSuite (Windows only):</div>

 <a id='heimdall'></a>

 <hr />

-<p class="text">Download HeimdallSuite, I91001GB_4GB pit & Samsung USB Drivers</p>

+<p class="text">Download HeimdallSuite & Samsung USB Drivers</p>

 <p class="text">Install Samsung USB Drivers</p>

 <p class="text">Connect the phone in Download mode (Vol. Down + Home + Power)</p>

 <p class="text">Go to Heimdall Suite/Drivers & open 'zadig' (Run in admin mode)</p>

 <p class="text">Select 'List All Devices' under 'Options'</p>

-<p class="text">Select 'Gadget Serial' & 'libusb0 (v1.2.5.0)' from the drop menu</p>

+<p class="text">Select 'Gadget Serial' & 'libusb0 (v1.2.5.0)' from the drop menu & scroll menu respectively</p>

 <p class="text">Click on Install/Replace Driver</p>

 <p class="text">Close 'zadig'</p>

+<p class="text">Reboot again into Download mode</p>

 <p class="text">Open 'heimdall-frontend'</p>

 <p class="text">Select 'Utilities' tab & click on 'Detect' under 'Detect Device' option</p>

 <p class="text">Make sure the 'Output' window says 'Device Detected'</p>

+<p class="text">Scroll down to 'Download PIT' section & click on 'Save As...' under 'Destination File'</p>

+<p class="text">Type any name under 'Name:' and select 'Save'. Do not give any filename extensions</p>

+<p class="text">Click on 'Download'</p>

+<p class="text">Reboot again into Download mode</p>

 <p class="text">Select 'Flash' tab</p>

-<p class="text">Load the I91001GB_4GB pit file or the existing pit file you use under 'PIT'. Do not select 'Repartition' checkbox</p>

-<p class="text">Select the 'Repartition' checkbox only if you are coming from 'Stock' pit (I9100512MB_2GB)</p>

+<p class="text">Load the downloaded pit under 'PIT'. Do not select 'Repartition' checkbox</p>

 <p class="text">Click the 'Add' button under 'Partitions (Files)'</p>

 <p class="text">Select 'RECOVERY' from the drop down menu in 'Partition Name' under 'Partition Details'. Make sure 'Partition ID' reads 7</p>

 <p class="text">Download the latest TWRP file from the download link above</p>